Luu, H.T., Duong, Q.H., Le, K.Q. & Lin, C.-W. (2022)

Begonia yentuensis and B. khaucaensis (Begoniaceae), two new species from northern Vietnam

. Phytotaxa 560 (2): 222–232. https://doi.org/10.11646/phytotaxa.560.2.5